Pith Number

pith:F2ZU6WRQ

pith:2016:F2ZU6WRQFLZJ3COJHEN7H73KXI

not attested not anchored not stored refs pending

HI 21-cm absorption survey of quasar-galaxy pairs: Distribution of cold gas around z<0.4 galaxies

E. Momjian, H. Rahmani, N. Gupta, P. Noterdaeme, P. Petitjean, R. Dutta, R. Srianand

arxiv:1610.05316 v1 · 2016-10-17 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2ZU6WRQFLZJ3COJHEN7H73KXI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:55:06.994104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb34f5a302af29d89c9391bf3ff6aba38320e52f346f8f889d96869c5ceed3f

Aliases

arxiv: 1610.05316 · arxiv_version: 1610.05316v1 · doi: 10.48550/arxiv.1610.05316 · pith_short_12: F2ZU6WRQFLZJ · pith_short_16: F2ZU6WRQFLZJ3COJ · pith_short_8: F2ZU6WRQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/F2ZU6WRQFLZJ3COJHEN7H73KXI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2eb34f5a302af29d89c9391bf3ff6aba38320e52f346f8f889d96869c5ceed3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0665cd939907cde640c7bd7f4acad5ba48a5fb8ca3778a1b13d70c88ded96d74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-17T20:00:09Z",
    "title_canon_sha256": "c7cc694147638eb9084fb837e9cd2537c58dc3b217bc44485f3199e7e9c5d1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05316",
    "kind": "arxiv",
    "version": 1
  }
}